/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/AssetRegistryState.h
Returns const version of internal PackageName->PackageData map for fast iteration
const [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), const [FAssetPackageData](API\Runtime\CoreUObject\AssetRegistry\FAssetPackageData) * > & GetAssetPackageDataMap() const